WOLFGANG AMADEUS MOZART Johannes Chrysostomus Wolfgangus Gottlieb Mozart born on 27 January 1756 in Salzburg, Austria started composing at 5 years old 20 operas, about 14-15 Masses, 30-40 concerts (piano and violin), 50-60 symphonies, and 20 sonatas etc Died at age of 35 years old 5 December 1791 in Vienna Dont know real cause of death